Home / 102,634,485.09-141,522,058.76-65,405,752.71

Finding the Fourth Proportional to 102,634,485.09, 141,522,058.76 and 65,405,752.71

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Solution

The fourth proportional to 102,634,485.09, 141,522,058.76 and 65,405,752.71 is: 90,187,589.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,634,485.09 : 141,522,058.76 = 65,405,752.71 : x
  2. Step 2: Convert to fraction form
    102,634,485.09/141,522,058.76 = 65,405,752.71/x
  3. Step 3: Cross multiply
    102,634,485.09x = 141,522,058.76 × 65,405,752.71
  4. Step 4: Simplify right side
    102,634,485.09x = 9,256,356,777,939,620
  5. Step 5: Solve for x
    x = 9,256,356,777,939,620/102,634,485.09
  6. Step 6: Final answer
    x = 90,187,589.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.